"This is just standard old people stuff," said one user on the Reddit post that has 51,000 upvotes.

"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

Abstract: The accurate classification of cancer cells in the peripheral blood is essential for the diagnosis of leukemia and has traditionally been carried out by analyzing laboratory images. In this ...